From 16dc3eadc28b014c35c1ac17e2f0f8fffb6ed753 Mon Sep 17 00:00:00 2001
From: LarsBrubaker <larsbrubaker@gmail.com>
Date: Wed, 23 Jun 2021 08:18:34 -0700
Subject: [PATCH] Fixed a bug when deleted settings are still editing

---
 .../SlicerConfiguration/PresetSelectorWidget.cs        | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/MatterControlLib/SlicerConfiguration/PresetSelectorWidget.cs b/MatterControlLib/SlicerConfiguration/PresetSelectorWidget.cs
index 6d78f6c3a..d792aa98f 100644
--- a/MatterControlLib/SlicerConfiguration/PresetSelectorWidget.cs
+++ b/MatterControlLib/SlicerConfiguration/PresetSelectorWidget.cs
@@ -135,6 +135,11 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 							}
 						};
 
+						if (presetsContext.PersistenceLayer == null)
+						{
+							return;
+						}
+
 						var editMaterialPresetsPage = new SlicePresetsPage(printer, presetsContext);
 						editMaterialPresetsPage.Closed += (s, e2) =>
 						{
@@ -176,6 +181,11 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 							}
 						};
 
+						if (presetsContext.PersistenceLayer == null)
+						{
+							return;
+						}
+
 						var editQualityPresetsWindow = new SlicePresetsPage(printer, presetsContext);
 						editQualityPresetsWindow.Closed += (s, e2) =>
 						{